Website Insights

space.com

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space.com is ranked #3,918 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 11 places in four weeks. The domain was registered on Feb 25, 1998, 28 years, 7 months ago, through Lexsynergy Limited, and is paid up until Feb 24, 2027. Its homepage uses Alpine.js, Google Fonts and Google Tag Manager. It is served through Fastly.

Global rank
#3,918
▲ 14 this week
Domain age
28 years
since Feb 25, 1998
Technologies
4
detected on the homepage
SEO score
89/100
homepage checks

Popularity rank

#3,918 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #3,339.

#3,273#3,672#4,071 Apr 1, 2026: #3,651Apr 7, 2026: #3,645Apr 8, 2026: #3,639Apr 14, 2026: #3,652Apr 15, 2026: #3,652Apr 21, 2026: #3,702Apr 22, 2026: #3,712Apr 28, 2026: #3,738Apr 29, 2026: #3,737May 5, 2026: #3,666May 6, 2026: #3,651May 12, 2026: #3,631May 13, 2026: #3,623May 19, 2026: #3,577May 20, 2026: #3,612May 26, 2026: #3,579May 27, 2026: #3,567Jun 2, 2026: #3,417Jun 3, 2026: #3,405Jun 9, 2026: #3,339Jun 10, 2026: #3,339Jun 16, 2026: #3,420Jun 17, 2026: #3,448Jun 23, 2026: #3,581Jun 24, 2026: #3,587Jun 30, 2026: #3,589Jul 1, 2026: #3,601Jul 7, 2026: #3,698Jul 8, 2026: #3,711Jul 14, 2026: #3,716Jul 15, 2026: #3,721Jul 21, 2026: #3,790Jul 22, 2026: #3,796Jul 28, 2026: #3,841Jul 29, 2026: #3,848Aug 4, 2026: #3,813Aug 5, 2026: #3,772Aug 11, 2026: #3,768Aug 12, 2026: #3,764Aug 18, 2026: #3,835Aug 19, 2026: #3,840Aug 25, 2026: #3,891Aug 26, 2026: #3,899Sep 1, 2026: #3,849Sep 2, 2026: #3,835Sep 8, 2026: #3,845Sep 9, 2026: #3,845Sep 15, 2026: #3,919Sep 16, 2026: #3,929Sep 22, 2026: #4,004Sep 23, 2026: #3,997Sep 29, 2026: #3,959Sep 30, 2026: #3,930Oct 6, 2026: #3,932Oct 13, 2026: #3,918 Apr 1, 2026 Oct 13, 2026
Weekly Tranco rank (lower is more popular).

See where space.com sits in the top 10,000

Domain registration

Registered
Feb 25, 1998 (28 years, 7 months ago)
Expires
Feb 24, 2027
Registrar
Lexsynergy Limited
Name servers
ns-1150.awsdns-15.org, ns-2020.awsdns-60.co.uk, ns-380.awsdns-47.com, ns-755.awsdns-30.net
DNSSEC
Not signed

From the registry's public RDAP record, checked Oct 1, 2026.

Technology stack

JavaScript frameworks
Alpine.js
UI frameworks & fonts
Google Fonts
Analytics
Google Tag Manager
CDN
Fastly

Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.

Homepage SEO check

Checked from the HTML our scanner received on Oct 14, 2026. Content added later by JavaScript isn't counted.

89/100
https://www.space.com/
Space.com: NASA, Space Exploration and Astronomy News
Get the latest space exploration, innovation and astronomy news. Space.com celebrates humanity's ongoing expansion across the final frontier.

19 passed · 3 warnings · 1 failed

Content

  • ✓Title53 characters
  • ✓Meta description141 characters
  • ✓H1 headingExactly one H1
  • ✓Subheadings9 H2 headings
  • !Image alt text3 of 55 images have no alt text
  • ✓Content lengthAbout 2,480 words

Indexing

  • ✓IndexableNo noindex directive
  • ✓Canonical URLhttps://www.space.com
  • ✓robots.txtFound
  • ✓XML sitemapFound
  • ✓Language attributeen
  • ✓Structured dataWebPage, WebSite, ItemList

Social sharing

  • ✕Open GraphMissing
  • ✓Twitter / X cardsummary_large_image

Technical

  • ✓HTTPSServed over HTTPS
  • ✓Mobile viewportFound
  • ✓FaviconFound
  • ✓Character encodingutf-8

Security headers

  • ✓Strict-Transport-SecuritySet
  • ✓Content-Security-PolicySet
  • ✓Clickjacking protectionSet
  • !X-Content-Type-OptionsNot set
  • !Referrer-PolicyNot set

Server response

Final URL
https://www.space.com/
HTTP status
200
Server
—
Response time
2.54 s (first byte 2.51 s, from our scanner in a US data centre)
HTML size
1.6 MB
Compression
br

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#3,206 tomshardware.com Alpine.js, Fastly, Google Tag Manager
#4,686 tomsguide.com Alpine.js, Fastly, Google Tag Manager

Sites ranked near space.com

RankWebsiteRegisteredBuilt with
#3,913 jedox.com 2000 WordPress, WP Engine, Cloudflare
#3,914 macrumors.com 2000 Cloudflare, LiteSpeed, Google Tag Manager
#3,915 capitaloneshopping.com 2020 Remix, Cloudflare, Envoy
#3,916 pcworld.com 1992 WordPress, Cloudflare, Google Tag Manager
#3,917 google.com.my — —
#3,919 idnes.cz 1997 Google Tag Manager
#3,920 awsdns-63.com 2010 —
#3,921 virginia.gov 2001 cdnjs, Apache, jQuery
#3,922 dnsswitch.net 2021 —
#3,923 lazada.com.ph — Alibaba Cloud CDN

Questions about space.com

How popular is space.com?

space.com is #3,918 worldwide in the Tranco list published Oct 13, 2026.

How old is space.com?

space.com was registered on Feb 25, 1998, which makes the domain 28 years, 7 months old.

What is space.com built with?

We detected Alpine.js, Google Fonts, Google Tag Manager and Fastly on its homepage.

Who is the registrar of space.com?

Lexsynergy Limited, according to the registry's RDAP record.